#337F64
Closest named color: Teal (#008080). oklch(54.1% 0.087 166.8), rgb(51, 127, 100).
Aa
White text reads best on this color (4.81:1).
About this color
#337F64 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.087 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Teal (#008080), ΔE 0.044 away. White text reads best on it, at 4.81:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Teal (#008080) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #337F64 |
| RGB | rgb(51, 127, 100) |
| HSL | hsl(159, 43%, 35%) |
| OKLCH | oklch(54.1% 0.087 166.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #337F64 | 4.81:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #337F64 | 4.36:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #337F64 text on white | 4.81:1 | AA | Lc 73.2 | Content text, not long reading |
| #337F64 text on black | 4.36:1 | AA large text | Lc -28.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAD98
oklch(70.6% 0.062 166.7)
-
Step 500
500
#56997F
oklch(63.1% 0.08 166.8)
-
Step 600
600 (this color)
#337F64
oklch(54.1% 0.087 166.8)
-
Step 700
700
#296F57
oklch(49% 0.08 167.2)
-
Step 800
800
#245B47
oklch(42.8% 0.068 166.5)
-
Step 900
900
#234A3C
oklch(37.6% 0.051 168)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#337F64 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7C7763 | 0.087 |
| Deuteranopia (no green cones) | #716F66 | 0.083 |
| Tritanopia (no blue cones) | #087F77 | 0.032 |
| Achromatopsia (no color) | #727272 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F64
#337F64
oklch(54.1% 0.087 166.8)
- #945A79
#945A79
oklch(54.2% 0.086 347.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #337F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.044
- Bluegreen #017A79 ΔE 0.044
- Sea Green #2E8B57 ΔE 0.047
- Dark Sage #598556 ΔE 0.047
- Viridian #1E9167 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
- Deep Aqua #08787F ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
Use #337F64 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.